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Finding the Fourth Proportional to 537.48, 741.39 and 369.72

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Solution

The fourth proportional to 537.48, 741.39 and 369.72 is: 509.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    537.48 : 741.39 = 369.72 : x
  2. Step 2: Convert to fraction form
    537.48/741.39 = 369.72/x
  3. Step 3: Cross multiply
    537.48x = 741.39 × 369.72
  4. Step 4: Simplify right side
    537.48x = 274,106.71
  5. Step 5: Solve for x
    x = 274,106.71/537.48
  6. Step 6: Final answer
    x = 509.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.